Safety helmet



FIG. 1 is a front elevational view of a safety helmet showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a top plan view thereof, showing the strap in use;

FIG. 9 is a bottom plan view thereof, showing the strap in use; and,

FIG. 10 is a perspective view thereof, showing the strap in use.

The strap is removed from FIGS. 1-7 for clarify of illustration only. 

The ornamental design for a safety helmet, as shown and described. 